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Tough System Variable Question for the IDL Gurus [message #68632]

Wed, 11 November 2009 14:05

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

OK, you IDL gurus. How do you delete an IDL system variable
you have created with DefSysV without getting out of the IDL session?

IDL> DefSysV, '!TESTER', 5
IDL> DelVar, !TESTER
% DELVAR: Expression must be named variable in this context: <INT
( 5)>.

IDL> Undefine, !Tester
IDL> Help, !Tester
<Expression> INT = 5

My current thinking is that it is not possible. Any good ideas?

Cheers,

David

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